1963—2022年西北地区中西部干旱演变特征及植被响应研究
苏天鑫, 孟宪红, 杨显玉, 安颖颖, 赵采玲

Drought evolution characteristics and vegetation response in the midwestern region of northwest China from 1963 to 2022
SU Tianxin, MENG Xianhong, YANG Xianyu, AN Yingying, ZHAO Cailing
图5 西北地区中西部1963—2022年SPEI年变化率的空间分布
(打点区域达到95%的置信水平)
Fig.5 Spatial distribution of the SPEI change rate in the midwestern region of northwest China from 1963 to 2022
(The dotted areas indicate significance at the 95% confidence level)